What are the four commonly recognized objectives in the interrogation process?

Interviews:

- Objective: purpose is to obtain Information

- Minimal legal requirements; no rights warnings

- cooperative relationship between interviewer and subject likely

- no guilt

- moderate planning

- Most Important: private and semiprivate; distraction could cause witness to forget key info

- Interrogations

- Objective: purpose is to test information already obtained, obtain valuable facts; eliminate the innocent; identify the guilty; obtain a confession

- extensive pre interrogation legal requirements; rights required

- hostile relationship likely

- guilt suggested

- extensive planning

- absolute privacy